55589779 has 8 divisors (see below), whose sum is σ = 67268448. Its totient is φ = 44845440.

The previous prime is 55589773. The next prime is 55589819. The reversal of 55589779 is 97798555.

55589779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55589779 - 2¹¹ = 55587731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55589773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233452 + ... + 233689.

It is an arithmetic number, because the mean of its divisors is an integer number (8408556).

Almost surely, 2^55589779 is an apocalyptic number.

55589779 is a deficient number, since it is larger than the sum of its proper divisors (11678669).

55589779 is a wasteful number, since it uses less digits than its factorization.

55589779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467165.

The product of its digits is 3969000, while the sum is 55.

The square root of 55589779 is about 7455.8553499917. The cubic root of 55589779 is about 381.6497502296.

The spelling of 55589779 in words is "fifty-five million, five hundred eighty-nine thousand, seven hundred seventy-nine".